This animation shows the complex features of Pluto, which rival anything we've seen in the solar system

The photos the craft sent back so far have astounded researchers. New Horizons principal investigator Alan Stern says, "Pluto is showing us a diversity of landforms and complexity of processes that rival anything we've seen in the solar system."

As the craft continues to transmit photos back to Earth, scientists are learning more about the fascinating dwarf planet at the edge of our solar system.